نتایج جستجو برای: loss of consciousness
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Syncope is a sudden transient loss of consciousness and postural tone with spontaneous recovery. Loss of consciousness results from a reduction of blood flow to the reticular activating system located in the brain stem. Syncope is an important clinical problem which accounts for 1% of hospital admissions and 3% of emergency department visits with a reported mortality and major morbidity rate of...
yncope is defined as loss of consciousness and postural tone due to transient global cerebral hypoperfusion. Although it may also manifest as transient loss of consciousness, epilepsy is not due to cerebral hypoperfusion, and its treatment differs markedly from that of syncope.1 A 66-year-old, right-handed man presented with a 11/2-year history of 2 to 3 episodes of syncope/month, usually prece...
Supine loss of consciousness is a relatively rare occurrence prompting investigations for underlying causes as diverse as cardiac arrhythmia, hypoglycaemia and nocturnal epilepsy. Neurally mediated syncope is rarely implicated as the cause of symptoms in supine loss of consciousness because of the absence of orthostatic stress and gravitational relative preservation of cerebral perfusion, but w...
SECTION 1 A 48-year-old woman presented with severe headache radiating to her neck and chest, followed by a brief period of loss of consciousness in the emergency department. After she regained consciousness, the patient described a 2-year history of right-sided pulsatile tinnitus and hearing loss. She also had a history of poorly controlled hypertension and of noncompliance with her medication...
introduction : road traffic injuries (rti) are among the most important health problems worldwide as they cause more than 1.2 million deaths and 50 million injuries each year. therefore, the present study aims to evaluate the outcome and aftermath of rti in those who were injured and hospitalized due to a traffic accident. methods : in the present retrospective cohort study with a one-year foll...
background: this study aimed to identify factors contributing to the creation of intellectual capital in the organization of education. the research method is a descriptive and exploratory factor analysis method. a sample: directors and deputies of the second period secondary education department of tehran province. based on stratified random sampling method and based on a sample of 500 was cal...
This study aimed to identify white matter (WM) deficits underlying the loss of consciousness in disorder of consciousness (DOC) patients using Diffusion Tensor Imaging (DTI) and to demonstrate the potential value of DTI parameters in predicting recovery outcomes of DOC patients. With 30 DOC patients (8 comatose, 8 unresponsive wakefulness syndrome/vegetative state, and 14 minimal conscious stat...
Abstract Backgraound: Repeated suicidal attempts are common in patients with drug and chemical poisoning. This study was conducted at poisoning referral hospitals in Tehran to determine the role of different factors in repeated suicide attempts with drug and chemical agents. Methods: In this case-control study, 19 subjects with a history of previous suicidal attempts, (cases) and 54 indivi...
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